package com.traffic.between.util;

import java.security.MessageDigest;

/**
 * 易分享加密算法
 * 
 * @author Guoxing
 *
 */
public class MD5Util {
	public static final String MD5(String pwd) {
		char[] md5String = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
		try {
			byte[] btInput = pwd.getBytes();
			MessageDigest mdInst = MessageDigest.getInstance("MD5");
			mdInst.update(btInput);
			byte[] md = mdInst.digest();
			int j = md.length;
			char[] str = new char[j * 2];
			int k = 0;
			for (int i = 0; i < j; ++i) {
				byte byte0 = md[i];
				str[(k++)] = md5String[(byte0 >>> 4 & 0xF)];
				str[(k++)] = md5String[(byte0 & 0xF)];
			}
			return new String(str);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	public static void main(String[] args) {
		System.out.print(MD5("123456"));
	}
}